Hl Chemistry Mid-term Form (1)

  • Grade 11th,
  • Grade 12th
  • IB HL Chemistry
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Quizzes Created: 2 | Total Attempts: 413
| Attempts: 194 | Questions: 46 | Updated: May 8, 2025
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1. Match the following

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About This Quiz
Hl Chemistry Mid-term Form (1) - Quiz

This mid-term assessment for HL Chemistry tests understanding of key chemical concepts. It comprises multiple-choice questions, each requiring the selection of the best answer.

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3. Choose the best answer:

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4. Which one do you like?

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5. Choose the best answer:

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6. Which one do you like?

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The given question asks for the preferred option among A, B, C, and D. The answer provided states that the preferred option is C.

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7. Which one do you like?

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8. Which one do you like?

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9. Which one do you like?

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10. Which one do you like?

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11. Choose the best answer:

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12. For the salt (Y)  prepared below, the solid X is _____ (soluble , insoluble) and the salt Y is _____ (soluble , insoluble).

Explanation

The solid X is insoluble because it does not dissolve in the given solution. On the other hand, the salt Y is soluble because it dissolves in the given solution.

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13. State the colour of each indicator with Ammonia: 1- Universal indicator _____ 2- Methyl Orange _____

Explanation

The universal indicator turns blue in the presence of ammonia, indicating a high pH. Methyl Orange, on the other hand, turns yellow in the presence of ammonia, indicating a lower pH.

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14. What is the energy change for this reaction? _____ KJ/mol

Explanation

The energy change for this reaction is -97 KJ/mol. This indicates that the reaction is exothermic, as the energy of the products is lower than the energy of the reactants. The negative sign indicates that the reaction releases energy.

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15. _____

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16. Which one do you like?

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17. Which one do you like?

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18. Choose the best answer:

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19. Choose the best answer:

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20. Choose the best answer:

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22. Choose the best answer:

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23. Which one do you like?

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24. Choose the best answer:

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25. Which one do you like?

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26. Which one do you like?

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27. Which one do you like?

Explanation

The question asks for a personal preference between four options: A, B, C, and D. The correct answer is B, indicating that the person prefers option B out of the given choices.

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28. Which one do you like?

Explanation

The given question asks for a preference among options A, B, C, and D. The answer states that the preferred option is B.

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29. Choose the best answer:

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30. _____

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31. Choose the best answer:

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32. Choose the best answer:

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33. Which one do you like?

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34. Which one do you like?

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The question asks for a personal preference, so the correct answer will vary depending on the individual. In this case, the person prefers option B.

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35. Choose the best answer:

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36. Which one do you like?

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37. Which one do you like?

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38. _____ + _____

Explanation

The answer is repeating the combination of "calcium ethanoate" and "water" twice.

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39. Choose the best answer:

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40. Choose the best answer:

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41. Match the following

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42. What is the bond energy of the C=O bond? _____

Explanation

The bond energy of the C=O bond is 841 kJ/mol. This means that it requires 841 kJ of energy to break one mole of C=O bonds. The positive sign indicates that this is an endothermic process, meaning that energy is absorbed when the bond is broken. Therefore, the correct answer is 841,+841.

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43. In the graph below, the rate of reaction at point C is the  _____ (slowest, fastest, zero) because the amount of reactants particles is _____ (maximum, minimum, zero).

Explanation

At point C on the graph, the rate of reaction is zero because there is no change in the amount of reactant particles. This means that there is no reaction occurring and the rate is effectively zero.

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44. In the graph below, the rate of reaction at point A is the  _____ (slowest, fastest, zero) because the amount of reactants particles is _____ (maximum, minimum, zero).

Explanation

At point A on the graph, the rate of reaction is the fastest because the slope of the curve is steepest at this point, indicating a rapid change in the concentration of reactants. The amount of reactant particles is at its maximum at point A, as indicated by the high concentration of reactants, which allows for more frequent collisions and a higher likelihood of successful reactions. Therefore, the rate of reaction at point A is the fastest and the amount of reactant particles is at its maximum.

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45. Which one do you like?

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46. Match the following

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Match the following
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For the salt (Y)  prepared below, ...
State the colour of each indicator with Ammonia: ...
What is the energy change for this reaction? _____ KJ/mol
_____
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_____ + _____
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Match the following
What is the bond energy of the C=O bond? _____
In the graph below, the rate of reaction at point C is the  _____...
In the graph below, the rate of reaction at point A is the  _____...
Which one do you like?
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